From 1899d9f1da2541cda75ffcbfa530ee81ceb865dc Mon Sep 17 00:00:00 2001
From: Geoffrey McRae <geoff@hostfission.com>
Date: Sun, 9 Aug 2020 15:55:12 +1000
Subject: [PATCH] [client] reset the frame time when we get a frame signal

This stops a duplicate frame rendering bug due to failure to discipline
based on the signal timing.
---
 VERSION           |  2 +-
 client/src/main.c | 10 +++++++++-
 2 files changed, 10 insertions(+), 2 deletions(-)

diff --git a/VERSION b/VERSION
index 61852038..75cd92ae 100644
--- a/VERSION
+++ b/VERSION
@@ -1 +1 @@
-B2-rc2-29-g302b988524+1
\ No newline at end of file
+B2-rc2-30-gfb9b772db0+1
\ No newline at end of file
diff --git a/client/src/main.c b/client/src/main.c
index fa51e6d2..902cb6bd 100644
--- a/client/src/main.c
+++ b/client/src/main.c
@@ -213,7 +213,15 @@ static int renderThread(void * unused)
         if (atomic_fetch_sub_explicit(&a_framesPending, 1, memory_order_release) > 1)
           continue;
 
-      lgWaitEventAbs(e_frame, &time);
+      if (lgWaitEventAbs(e_frame, &time))
+      {
+        if (state.frameTime > 0)
+        {
+          resyncCheck = 0;
+          clock_gettime(CLOCK_REALTIME, &time);
+          tsAdd(&time, state.frameTime);
+        }
+      }
     }
   }